GRK Infra Oyj provides infrastructure construction services in Finland, Sweden, and Estonia. The company's services include civil engineering, railway construction, route construction, and pavement construction. It also provides recycling services for various industries and organic waste generators. In addition, the company designs, repairs, maintains, and builds roads, highways, tracks, and bridges; and undertakes municipal engineering, foundation, and industrial construction works, as well as concrete, steel, and composite structure works. It serves state administration, municipalities, and cities, as well as the private sector. The company was incorporated in 1983 and is based in Vantaa, Finland.